@rayyamhk/complex/lib/core/static/cot.js

A lightweight and easy-to-use library for you to manipulate complex numbers

"use strict";

/**
 * Calculates the cotangent of a Complex Number.
 * The domain of this function is C / { kπ/2 : k is any integer }.<br><br>
 * 
 * If the argument is out of its domain, it returns Complex.NaN.
 * @memberof Complex
 * @static
 * @param {Complex} num - Any Complex Number which is not the multiple of π/2
 * @returns {Complex} The result of cotangent function
 */
function cot(num) {
  return this.divide(this.ONE, this.tan(num));
}

module.exports = cot;